Egress windows, basement windows and basement doors in Cochrane

Basement egress windows and walk-out doors in Cochrane, where hillside lots and rock near the surface shape the window and door choice more than the wall does.

Chinook Basement Windows and Doors helps homeowners across Cochrane and Rocky View County choose and install the right basement windows and doors: egress windows sized for a basement bedroom, larger replacements for undersized basement windows, suite entry and walk-out doors, and the window wells, covers and stairwells outside them. Where the wall needs a new or wider opening, we make it as part of the install. Town of Cochrane is the authority having jurisdiction, and we apply for the permit ourselves.

Cochrane at a glance

Region
Rocky View County
Population
32,199
Postal codes
T4C
Permits
Town of Cochrane
Quotes
Quote in 48 hours

Cochrane basements and what they can take

The wall a window or door goes into

The walls are mostly modern and reinforced; the ground around them is the hard part. Glacial till packed with cobbles, and bedrock closer to the surface toward the west, can make the well or the stairwell outside a door the largest piece of work. On a sloped lot that often favours a full-height walk-out door on the low side over a deep well for a window.

Who approves the work

Town of Cochrane is the authority having jurisdiction here. Cochrane homes fall under the Town of Cochrane, which issues its own building permits; the City of Calgary’s permits, inspectors and procedures do not apply. That is worth stating because contractors who mostly work in Calgary often describe the Calgary process out of habit. Making an opening in a foundation wall for a window or a door is a structural alteration, and an APEGA-licensed P.Eng. stamps the drawings for it. For a walk-out door, and any retaining wall around its stairwell, that engineering is the heart of the application rather than a box to tick. We look after the application. We do not speak for the Town on its requirements; we confirm them directly with the Town for your address.

What we install here most

Walk-out basement doors on sloped lots, egress windows for basement developments, and retained stairwells down to a door on rocky ground.

Fitting windows and doors to Cochrane walls

In Cochrane, the basement wall itself rarely causes trouble. Most of the town was built recently, so the walls we open up for new windows and doors are typically poured and reinforced: even material that leaves a clean edge for a frame to seal against and carries load well once a steel lintel goes in above. We still find the rebar before settling where a window or door goes, and we measure thickness on site instead of assuming it. What you seldom meet here is the crumbling rubble or hollow block that makes older Calgary basements a careful job.

The soil is another matter, and in Cochrane it drives most decisions. The town sits on compact glacial till studded with cobbles and boulders, and bedrock rises closer to the surface the further west you go up out of the Bow valley. That material does not dig like prairie clay. An excavation for a window well that takes a morning east of Calgary can take a full day here as the machine works around stones, and where solid rock is near grade a deep well may simply not be practical.

So the normal order of costs flips. Across most of our area the wall work is the bigger expense and the dig is routine; in Cochrane the well, and especially a stairwell down to a basement door, can outweigh the opening it serves. That changes what we recommend. We want to see the ground and pin down the shallowest well that still works before anyone picks a window size or sill height, because depth is what drives the dig — and once a well is deeper than 1.2 m it needs a permanent ladder or steps that must not crowd the clear space in front of the window. On this soil, a well that is deeper than it needs to be is a costly way to pass inspection.

What Cochrane homeowners are after

Because Cochrane is hilly, homeowners here ask about walk-out basement doors far more than they do elsewhere. The yard already drops at the back or side, the lower floor could step straight out to grade, and the owner has realised that a full-height door beats a deep pit with a ladder for daylight, access and everyday use. A basement door is a bigger undertaking than a window — a wider opening, a heavier lintel, proper engineered drawings, and a stairwell or sloped approach that needs retaining walls and a drain. On a lot with the right fall it is frequently still the better choice, and we will tell you when it is.

The remaining work is ordinary basement finishing in the newer neighbourhoods: an extra bedroom, a rental suite with its own entry door, a lower level brought up to code. What we do differently for Cochrane homeowners is talk frankly about the dig early. If your side yard hides a layer of boulders, that is a real cost that shapes whether you choose a window, a smaller well or a door, and we would rather raise it at the site visit than surprise you with it later.

This page describes typical houses here, not yours. We check your wall’s thickness, reinforcement and the load above any window or door opening in person before quoting, and compliance is confirmed by an inspector. What affects the price of a basement window or door .

Where we work around Cochrane

The map marks the area we cover, not our office. Chinook Basement Windows and Doors is based at 2425 34 Ave SW, Calgary, AB T2T 6E3, and our installers bring the windows, doors and equipment to your home. Cochrane and Rocky View County is part of our regular installation area.

Within this area, Town of Cochrane issues the permits for new window and door openings.

Basement windows and doors in Cochrane homes

Looking up a steep Cochrane street in summer, where houses on the downhill side show full walk-out basement levels and those uphill sit low on their lots.
Walk-out homes on a steep Cochrane street
A 1980s brick-front bungalow in an older Cochrane neighbourhood with a big blue spruce, a road without curbs, and grassy hills rising behind the rooftops.
An older bungalow below the Cochrane hills

Questions about basement windows and doors in Cochrane

Answered for Cochrane. Broader questions have their own answers on our FAQ page.

Why would the digging cost more than the window itself in Cochrane?
Because of what is under the lawn. Cochrane sits on compact glacial till packed with cobbles and boulders, and bedrock rises closer to the surface as the land climbs west out of the Bow valley. That does not dig like prairie clay: an excavation that takes a morning east of Calgary can take a full day here while the machine works around stone, and where rock is near grade a deep well may not be practical at all. So the usual balance inverts. Across most of our area the work on the wall is the bigger item and the hole is routine; in Cochrane the well — and especially a stairwell down to a basement door — can outweigh the opening it serves. We want to see the ground before anyone settles on a window size, because depth is what drives the dig.
My Cochrane lot slopes. Should I put in a walk-out door instead of a window well?
Often, yes, and Cochrane homeowners ask this more than anyone else we serve because so much of the town is built on a hill. Where the yard already drops at the back or the side, the lower floor can step straight out at grade, and a full-height door gives you daylight and everyday access that no well will match. It is the bigger undertaking: a wider opening, a heavier lintel, engineered drawings, and a stairwell or sloped approach with retaining walls and a drain. On the right lot it is still the better answer, and on this ground it can save the deep, stony excavation a well would need. A well deeper than 1.2 m also has to have a permanent ladder or steps, which takes up space in front of the window. We walk the fall of the lot with you and say plainly which way it points.
Who issues the permit for a basement window or door in Cochrane?
The Town of Cochrane. It is its own authority having jurisdiction, so City of Calgary permits, inspectors and procedures have nothing to do with your house — worth saying because contractors who work mainly in Calgary often describe the Calgary process out of habit. Cutting an opening into a foundation wall for a window or a door is a structural alteration, and the drawings for it are stamped by an APEGA-licensed P.Eng. For a walk-out door, and for any retaining wall around its stairwell, that engineering is the heart of the application rather than a formality. We prepare and submit it. We also do not speak for the Town on what it requires: we confirm that with the Town for your address before the work is scoped.

Planning a basement window or door in Cochrane?

Send us photos of the basement wall from inside and outside, plus the height from the finished floor to the window sill. We will tell you whether your current window meets egress, what window or door would suit, and whether an engineer needs to be involved.